1. The prenatal human submandibular gland: a histological, histochemical and ultrastructural study;Gibson;Anatomischer Anzeiger,1983
2. Development of ductus submandibularis in the human submandibular gland;Garcia-Garcia;Eur Arch Biol,1991
3. Case of imperforate submandibular ducts in an infant;Scher;Br Dent J,1955
4. False ranula of the newborn or imperforation of Wharton's duct;Dore;Rev Stomatol Chir Maxillofac,1968
5. Congenital ranula;Redpath;Oral Surg,1973